The upgraded model, which still features 8.2 Megapixel performance at 8.5 frames per second, has a higher performance buffer to deliver a 48 frame burst in JPEG and 22 frame burst in RAW. The LCD screen has increased in size to 2.5 inch, from the 2 inch version on the previous model, and dual CF and SD memory card slots provide separate RAW and JPEG recording. Canon's new Picture-Style pre-sets replace Colour Matrix and parameter settings for simplified in-camera control of image optimisation and processing.

The EOS 1D Mark II N's larger LCD screen provides improved image review and menu readability. The improved screen has twice the number of backlighting LED's, retaining brightness and visibility through a wide 170 degree angle of view, both vertically and horizontally, making it easy to view images when the camera is mounted in a fixed position. With image playback, the magnified view can now be viewed immediately on any selected AF point, and magnification is possible during the quick review immediately after image capture.

The EOS-1D Mark II N features a number of other improvements on its predecessor, enhancing performance, operation and speed. To prevent shooting disruption, new folders are now automatically created when image number 9999 is reached in the current folder. A new memory card selection short cut makes it fast and easy to switch between card slots when choosing recording location. A Low Level Format option executes secure and permanent deletion of SD card data and increases SD card write speeds.

RAW and JPEG images can now be recorded onto a different memory card, CF or SD, when shooting both formats simultaneously. In-camera file names are also now customisable - users can decide the first four characters of the file name and the camera will append the 4 digit image number. This feature is particularly useful for agencies and photo libraries dealing with memory cards from multiple photographers.

New Picture Style pre-sets, each one offering a different colour response, delivers immediately usable JPEG images without need for additional menu settings. The pre-sets include Landscape, Neutral, Faithful and Monochrome. Three user defined entries allows the possibility to create additional variations on the in-camera styles or install additional Picture Style files. Additional custome Picture Style files can also be downloaded from Canon's website. Picture Style is supported by the supplied Digital Photo Professional and RAW Image Task software.

The EOS 1D Mark II N assures high quality images due to the combination of Canons DIGIC II processor and second generation CMOS sensor, which features an on-chip noise elimination circuit to reduce the creation of fixed pattern and random noise. A low-pass filter placed in front of the sensor reduces false colour and moir effects, while the infrared filter suppresses red fringing caused by sensor reflections and fog. A new Auto option is available on the Noise reduction menu screen, which offers automatic detection and correction when necessary of noise levels in images with exposures of 1 second or longer.

The EOS-1D Mark II N has a shutter durability of 200,000 cycles, and a weather resistant magnesium-alloy casing with over 70 dust and moisture resistant seals to protect the camera.

The EOS-1D Mark II N is compatible with all Canon EF lenses and the entire EX series Speedlite flash range. Canon's E-TTL II flash system optimises flash exposures by linking distance information from the camera/lens system to the 21-zone evaluative or averaged metering readings from the pre-flash.

With the optional Wireless File Transmitter WFT-E1, photographers can work cable-free as images transfer automatically through a wireless LAN to a computer in seconds . Interfaces include video out (for display in both NTSC and PAL formats), IEEE1394 (Firewire) and USB. The camera is PictBridge compliant for PC-less direct printing to any brand of compatible photo printer.

The EOS-1D Mark II N supports the optional Data Verification Kit DVK-E2 v2.2, which verifies the originality of images taken with the camera.

The EOS-1D Mark II N is bundled with the EOS Digital Solutions Disk v11, which includes an upgraded version of Canons RAW image processing software Digital Photo Professional (DPP). DPP v2.0 now supports RAW images shot on all EOS digital cameras from the EOS D30 forwards, and includes support for Picture Styles. Improvements and additions are aimed at improving functionality and workflow efficiency for professionals, and include: easy image selection with three levels of check marks; real-time adjustment of sharpness; improved image correction (Copy Stamp); enhanced image transfer function single image transfer to PhotoShop is possible; extended colour space support, now including Apple RGB and ColorMatch RGB; and an enhanced CMYK simulation function.